Specialty holder designed with 32pt. thickness card recess area to keep card secure without damaging the condition. Holds 2-1/2" x 3-1/2" (63.5 mm x 88.9 mm) standard sized baseball, football, basketball, hockey and even Pokemon, Yu-Gi-Oh, Magic The Gathering and other gaming cards. Constructed from two-piece ultra clear material with slide-in hinge & single screw closure with no PVC and acid free.